dude....it took me a while also to get this through my thick head but your gonna have to face it.......Get FLASHED and it will go away...I had the same s*** going on...
Guys I regret to inform you that I am pre-flash and had the same issue with Joes FCD . It caused major DETONATION! I am not hateing on Joe , he is a great guy with great products and he is very helpfull. However I spent an entire night of testing different plugs with the FCD on and off and...
swapped cars.....YELLOW STILL CAME OUT ON TOP. by about the same distance too... maybe its the clutch, the flash, I dont know. Or maybe the03.5 is a little faster? I don't know...cant explain it but all I know is I am not getting the flash if thats going to happen to me....better daily driver or...